JIS G3441 Alloy steel tubes for machine purposes

JIS G3441 Alloy steel tubes for machine purposes

JIS G3441 Alloy steel tubes for machine purposes

1. Scope
This Japanese Industrial Standard specifies the alloy steel tubes, hereinafter referred to as the "tubes", used for machinery, automobiles and other machine parts.

2. Grade and symbols
Grade Scr420TK, SCM415TK, SCM418TK, SCM420TK, SCM430TK, SCM435TK, SCM440TK

3. Method of Manufacture
(1) Tubes shall be manufactured by the seamless process or the electric resistance welding process.
(2) Tube shall, as a rule, be furnished as manufactured, as cold finished, or after annealed. However, the purchaser may specify a heat treatment other than annealing, if necessary.

4. The details of chemical composition and mechanical properties, please check G3441.

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